Secondary battery



(No Model.)

' J.V S. SELLON.v

SECONDARY BATTERY.

No. 396,769. l Patented Jan. 29, 1889.

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UNITED STATES PATENT .IOHN S. SELLON, OF IIATTON GARDEN, COUNTY OFMIDDLESEX, ENGLAND, ASSIGNOR TO THE ELECTRICAL ACOUMULATOR COMPANY, OFNEW YORK.

SECON DARY BATTERY.

SPECIFICATION forming part of Letters Patent No. 896,769, dated January29, 1889.

Application filed April 26,1887. Serial No. 236,209. (No model.)Iatentedn England December 23, 188] No. 5 ,631 i iu Argentine RepublicNovember 21, 1882, No. 354,' in British Guiana December 11, 1882, No.11W/3,150; in Mexico January 27,1883; in Canada March 15,1883,No.16,499;in Chili June 8,1883,andin Brazil June 16,1883,N0. 53.

To @ZZ whom t may colwb.' plate, film, or coating of metal--such, foreX" Be it known that I, JOHN SCUDAMORE SEL- ample, as platinum-suchcombination formo LON, a subject of the Queen of Great Britain ingaterminal; or I may cover, either mechanand Ireland, residing at HattonGarden, in l1ically or by means of electro deposition or 5 the county ofMiddlesex, England, have in otherwise, eitherthe single or compoundplates' vented certain new and useful Improvements with a layer or lilmof metallic matter such, 1n Secondary Batteries, (for which I have obforexample, as platinum. i 55 tained a patent in Great Britain, No. 5,631,De- The accompanying drawings illustrate som cember 23,1881; ArgentineRepublic, No. 354, of the described forms.

1o November 21, 1882; British Guiana, No. 197 Figure 1 shows aperforated plate, to which 3,155, December 11, 1882; ilIexicoJanuaryQT,is applied thin sheets of platinum. Fig. 2 1883; Canada, No. 16,499,March 15, 1883; shows a support formed of woven or inter- 6o Chili,.Iune 8,1883, and Brazil, No. 53, .Iune 16, twined strips ofinoXidiZable material com* 1883,) of which the following is a specitication. bined with strips of platinum. Fig. 3 is a cel- My inventionpertains to secondary batlular perforated plate, to which the platinumteries or electrical accumulators, and more is best applied byelectrodeposition. Fig. 4 particularly relates to the construction ofthe is a cross-section of Fig. 2. 6 5 plates, supports, retainers, orframes upon, in, In Fig. 1, P is a plate or terminal having or againstwhich the active material or agent perlorations 7l.. It consists ot' aninoxidizable 2o is deposited, placed, or lived. material, asdescribed-carbom wood, papier- The object sought is to provide a support mache, celluloid-serving as abacking or stiffthat is inoxidizablewhile possessing extreme ening, upon which the sheets of an inoXidiza-7o lightness. Platinum or gold. are among the ble metal, as platinum, p,is fixed. To the surmost desirable metals available for this purface andwithin the perforations an active mapose, but they are expensive, andwhen used terial, u., as a lead oxide, is applied.

'in plates ol sullicient quantity or thickness to In Fig. 2 the supportor terminal consists give the necessary mechanical strength proof stripss of an inoxidizable material, as de- 75 hibitively so. To secure illeadvantages of scribed-wood, carbon, papier-mache, cellutheir use whileavoiding this expense, I use loid-combined with which and supported 3overy thin plates or small quantities of such thereby are strips of aninoxidizable metal, as metals, stilt'euin them by a backing or supplatinum. The combination may consist of a "port ol an 'inoxidizableumlerial. I use for strip of the described material and a strip of 8othis purpose carbon either in a solid form or platinum woven together,or a strip of the decompressed or mixed with other substances,scribedmaterial to the surface or surfaces of 3 5 or asbest-us, wood,papier-mache, cellulose, which a thin strip of platinum is Xed, andeither alone or iu comlilination with metals not two of such compoundstrips may be woven easily oXidiZed-sucln for example, as plati orintertwined to form a support or terminal. 85 num. In form these maybeof a cellular, per- A series of these woven strips are placed in aforated, corrugated, grooved, flut-ed, roughframe, F, and the activei'naterial,l as a lead 40 ened, indented,tubular, or woven shape, or anyoxide, applied to the support so formed.

combination ol' these forms, or of any other In Fig. 3 there is shown acellular perforated shape capable of retaining the active material plateor support consisting of the described 9o or agent in a Iinelydividetl,pasty, deposited, inoxidizable materiahP, having holes or percompressed,or other condition. I may make forations h, to the surface ot' which isapplied the plates, supports, retainers, or frames of a an inoxidizablemetal, as p, in this case pref compound form-say, for example, two outererably applied by electroaleposition. non-metallic plates coiistructedin the manner In all these forms there is an inoxidizable hereinbeforedescribed, with an intervening material combined with an inoxidizable1netal-sheet or foil an equivalent for which is an electroplated iilm orcoating. The plates or supports coated, combined, or lfilled with anactive material are grouped in containingcells of insulating materialcontaining,l an electrolytic liquid, as is the well-known practice.

lVl-iat I claim, and desire to secure by Let ters Patent, is-

l. In a secondary battery, a plaie-or support containing inoxidizablcmaterial supporting a sheet, plate, or conductor of `practically-inoxidizable metal and combined with an activematerial or material to berendered active mechanically applied thereto, substantially asdescribed.

2. ln a secondarybattery, aplate or support containing,l apractically-inoxidizable material. combined 'with apractically-inoxidizable conductor supported thereby and an activemaaeriall or material to be rendered active, substantially afsdescribed.

3. vIn a secondary battery, a support or stripo containing,l anon-conducting material combined with a 'l'h'aetically-inoxidizableconductor and an active material, all in snbstantiall y continuonsmechanical Contact, as set forth.

l. In a battery, a support or terminal containing apractically-inoxidizable material, combined with a conductor o'liplatinum and a mechanically-applied active material, lsubstantially asdescribed.

5. ln a baitery, a plate or support containing'a'1)ractically-inoxidizable material and a practically-iuoxidi Zablemetal lxavi ng' a woven shape, combined with a mechethically-appliedactive material, substantially as described.

ln testimony whereof I have signed my name to this specification inthepresence oli' two subseribing \\'itncsses.

JOHN S. SELLON. lVitnesses:

W. J. WEEKS, C. F. WATERMAN, Both 0f 9 Berchifn Lane, London.

